1375670 has 8 divisors (see below), whose sum is σ = 2476224. Its totient is φ = 550264.

The previous prime is 1375669. The next prime is 1375679. The reversal of 1375670 is 765731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68774 + ... + 68793.

It is an arithmetic number, because the mean of its divisors is an integer number (309528).

2^1375670 is an apocalyptic number.

1375670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375670 is a deficient number, since it is larger than the sum of its proper divisors (1100554).

1375670 is a wasteful number, since it uses less digits than its factorization.

1375670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137574.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 1375670 is about 1172.8895941221. The cubic root of 1375670 is about 111.2170630097.

The spelling of 1375670 in words is "one million, three hundred seventy-five thousand, six hundred seventy".